--- a/UnixOperatingSystem.st	Wed Apr 13 08:41:43 2016 +0200
+++ b/UnixOperatingSystem.st	Wed Apr 13 08:42:36 2016 +0200
@@ -989,7 +989,7 @@
 
 documentation
 "
-    this class realizes access to most (all ?) required operating system services;
+    this class realizes access to most (all?) required operating system services;
     some of it is very specific for unix, so do not depend on
     things available here in your applications
     - some may not be found in other OS's or be slightly different ...
@@ -1001,23 +1001,23 @@
 
     [Class variables:]
 
-	HostName        <String>        remembered hostname
-
-	DomainName      <String>        remembered domainname
-
-	SlowFork        <Boolean>       if set, fork and popen are avoided;
-					(more or less obsolete now)
-
-
-	CurrentDirectory <String>       remembered currentDirectories path
+        HostName        <String>        remembered hostname
+
+        DomainName      <String>        remembered domainname
+
+        SlowFork        <Boolean>       if set, fork and popen are avoided;
+                                        (more or less obsolete now)
+
+
+        CurrentDirectory <String>       remembered currentDirectories path
 
     [author:]
-	Claus Gittinger
+        Claus Gittinger
 
     [see also:]
-	OSProcessStatus
-	Filename Date Time
-	ExternalStream FileStream PipeStream Socket
+        OSProcessStatus
+        Filename Date Time
+        ExternalStream FileStream PipeStream Socket
 "
 !